Table
5.3 Water
Quality Monitoring Parameters and Frequency
Monitoring
Stations |
Parameters,
unit |
Depth |
Frequency |
IS1, IS2, IS3 IS4, CS1, CS2, SR1, SR2,
SR3, SR6, ST1, ST2, ST3, SRA |
·
Temperature(°C) ·
pH(pH unit) ·
turbidity (NTU) ·
water depth (m) ·
salinity (ppt) ·
dissolved
oxygen (DO) (mg/L and % of saturation) ·
suspended
solids (SS) (mg/L) |
·
3 water depths: 1m below sea surface, mid-depth and 1m above sea bed. ·
If the water
depth is less than 3m, mid-depth sampling only. ·
If water depth
less than 6m, mid-depth may be omitted. |
·
Impact monitoring: 3 days per week, at mid-flood and mid-ebb tides
during the construction period of the Contract |